| ROI | Return On Investment |
| VIF | Variable Investment Fond |
| DIT | Deutscher Investment-Trust Frankfurt/M., http://www.dit.de |
| IRD | Investment Recovery Department |
| IIC | Industrial Investment Council |
| FDI | Foreign direct investment |
| EIB | European Investment Bank Europäische Investitionsbank, Luxemburg, [LUX], http://www.eib.eu.int |
| ECIP | European Community Investment Partners |
| PIPE | Public Investment in Private Equity |
| CCIM | Certified Commercial Investment Member |
| BIC | Bank Investment Contract [engl.] Anlage mit garantierter Ertragsbandbreite |
| AIB | American Investment Bank N.A. [engl.] Salt Lake City, USA |
| BVI | Bundesverband deutscher Investment-Gesellschaften |
| BVI | Bundesverband Investment und Asset Management e.V. |
| ADR | Automatic Dividend Re-Investment [engl.] Wiederanlage von Einnahmen aus Dividenden |
| IOS | Investors Overseas Services [former investment fund] |
| PIZDA | Prime Investment Zone Dealers Asocciation |
| RET | Return |
| RTZ | Return to Zero Kodierungsverfahren |
| RZ | Return to Zero |
| NRZ | Non Return to Zero |
| RAR | Return A Register |
| RA | Return Authorization |
| RONA | Return On Net Assets |
| RZC | Return to Zero Recording |
| ROA | Return On Assets |
| ROE | Return On Equity |
| RTC | Return To Control |
| iret | interrupt return |
| RTS | Return To Stock |
| RMA | Return to Manufacturer Authorization |
| SRL | Structural Return Loss |
| CRCF | Customer Return For Credit |
| RTLS | Return To Launch Site |
| CRV | Crew Return Vehicle |
| RMA | Return Materials Authorization |
| ERL | Echo Return Loss |
| AR | Annual Return [engl.] Jährlicher Gewinn |
| EROS | Enhanced Return Of Security |
| NRZI | Non-Return to Zero Inverted [Magnetband, 800 bpi] |
| ARR | Average Rate of Return [engl.] Jährlicher Anlage-Rückfluss |
| C/R | Carriage Return [ASCII 15 octal] |
| CNSR | Comet Nucleus Sample Return |
| CR | Carriage Return [ASCII 15 octal] Steuerzeichen [ursprünglich: Wagenrücklauf bei Schreibmaschinen] |
| ARR | Annual Return Rate [engl.] |
| CR/LF | Carriage Return/Line Feed |
| ERU | Error Return address Update |
| CRLF | Carriage Return/Line Feed |
| CAR | Cumulative Abnormal Return [engl.] Differenz zwischen erwarteter und tatsächlicher Rendite |
| ERAR | Error Return Adrress Register |